75 / | HD | SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES |
330 | DF | PROCESSES {9} |
343 | DF | .~ Producing or purifying free metal powder or producing or purifying alloys in powder form (i.e., named or of size up to 1,000 microns in its largest dimension) {9} |
363 | .~.~ At 300 degrees C or greater {5} | |
364 | DF | .~.~.~> Combined with step at less than 300 degrees C using nonmetallic material which is liquid under standard conditions {1} |
366 | DF | .~.~.~> Utilizing a fluidized bed |
367 | DF | .~.~.~> Vaporizing or condensing free metal |
368 | DF | .~.~.~> Settling of powder in molten metal or salt bath |
369 | DF | .~.~.~> Purifying powdered metal or reducing powdered metal compound to free metal |